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【单选题】
在正常工作条件下,滚动轴承的主要失效形式为( )。A.
滚动体与滚道的工作表面上产生疲劳点蚀
B.
滚动体破碎
C.
滚动体与套圈间发生胶合
D.
滚道磨损
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【简答题】世界贸易组织的组织机构有() A部长级会议 B总理事会 C董事会 D争端解决机构和贸易政策审议机构 E秘书处及总干事。
【简答题】世界贸易组织的组织机构有哪些？
【简答题】试述世界贸易组织的组织机构。
【简答题】简述世界贸易组织的组织机构。
【简答题】E . 补全短语 1 . from..________ 从......时起 2 . _______ a result (of) 结果 3 . so...________ ... 如此......以至于
【单选题】I was amazed at the beauty of the mountain when I reached the top.
A.
excited
B.
astonished
C.
happy
D.
shocked
【单选题】The three men traveled on horseback. It was a long journey. They rode all day long. It was dark when they reached the camp. EFFECT: It was dark when the men reached camp. What was the CAUSE?
A.
They left at dawn.
B.
The journey was long.
C.
the horses were tired.
D.
none of the above
【判断题】Breakfast in China differs from place to place. Deep-fried twisted dough stick and milk are always a pair to appear on the breakfast table.
A.
正确
B.
错误
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